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[60.251.58.169]) by smtp.gmail.com with ESMTPSA id b4sm5619415pfo.137.2020.07.10.04.09.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 04:09:50 -0700 (PDT) From: Ben Chuang To: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, ben.chuang@genesyslogic.com.tw, takahiro.akashi@linaro.org, greg.tu@genesyslogic.com.tw, Ben Chuang Subject: [RFC PATCH V3 10/21] mmc: sdhci: UHS-II support, dump UHS-II registers Date: Fri, 10 Jul 2020 19:10:34 +0800 Message-Id: <20200710111034.29456-1-benchuanggli@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: AKASHI Takahiro Dump UHS-II specific registers, if available, in sdhci_dumpregs() for informative/debugging use. Signed-off-by: Ben Chuang Signed-off-by: AKASHI Takahiro --- drivers/mmc/host/sdhci.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 37b1158c1c0c..c2f6923d296c 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -111,6 +111,30 @@ void sdhci_dumpregs(struct sdhci_host *host) } } + if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) && + host->mmc && host->mmc->flags & MMC_UHS2_SUPPORT) { + SDHCI_DUMP("==================== UHS2 ==================\n"); + SDHCI_DUMP("Blk Size: 0x%08x | Blk Cnt: 0x%08x\n", + sdhci_readw(host, SDHCI_UHS2_BLOCK_SIZE), + sdhci_readl(host, SDHCI_UHS2_BLOCK_COUNT)); + SDHCI_DUMP("Cmd: 0x%08x | Trn mode: 0x%08x\n", + sdhci_readw(host, SDHCI_UHS2_COMMAND), + sdhci_readw(host, SDHCI_UHS2_TRANS_MODE)); + SDHCI_DUMP("Int Stat: 0x%08x | Dev Sel : 0x%08x\n", + sdhci_readw(host, SDHCI_UHS2_DEV_INT_STATUS), + sdhci_readb(host, SDHCI_UHS2_DEV_SELECT)); + SDHCI_DUMP("Dev Int Code: 0x%08x\n", + sdhci_readb(host, SDHCI_UHS2_DEV_INT_CODE)); + SDHCI_DUMP("Reset: 0x%08x | Timer: 0x%08x\n", + sdhci_readw(host, SDHCI_UHS2_SW_RESET), + sdhci_readw(host, SDHCI_UHS2_TIMER_CTRL)); + SDHCI_DUMP("ErrInt: 0x%08x | ErrIntEn: 0x%08x\n", + sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS), + sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS_EN)); + SDHCI_DUMP("ErrSigEn: 0x%08x\n", + sdhci_readl(host, SDHCI_UHS2_ERR_INT_SIG_EN)); + } + if (host->ops->dump_vendor_regs) host->ops->dump_vendor_regs(host); -- 2.27.0